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http-agent - A simple agent for performing a sequence of http requests in node.js

  •    Javascript

Since http-agent is based on top of request, it can take a set of JSON objects for request to use. If you're looking for more documentation about what parameters are relevant to http-agent, see request which http-agent is built on top of.Each time an instance of http-agent raises the 'next' event the agent is passed back as a parameter. That allows us to change the control flow of pages each time a page is visited. The agent is also passed back to other important events such as 'stop' and 'back'.

Rcrawler - An R web crawler and scraper

  •    R

Rcrawler is an R package for web crawling websites and extracting structured data which can be used for a wide range of useful applications, like web mining, text mining, web content mining, and web structure mining. So what is the difference between Rcrawler and rvest : rvest extracts data from one specific page by navigating through selectors. However, Rcrawler automatically traverses and parse all web pages of a website, and extract all data you need from them at once with a single command. For example collect all published posts on a blog, or extract all products on a shopping website, or gathering comments, reviews for your opinion mining studies. More than that, Rcrawler can help you studies web site structure by building a network representation of a website internal and external hyperlinks (nodes & edges). Help us improve Rcrawler by asking questions, revealing issues, suggesting new features. If you have a blog write about it, or just share it with your collegues.

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